Home / 359,333,580.57-538,946,308.20-100,515,252.57

Finding the Fourth Proportional to 359,333,580.57, 538,946,308.20 and 100,515,252.57

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Solution

The fourth proportional to 359,333,580.57, 538,946,308.20 and 100,515,252.57 is: 150,757,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,333,580.57 : 538,946,308.20 = 100,515,252.57 : x
  2. Step 2: Convert to fraction form
    359,333,580.57/538,946,308.20 = 100,515,252.57/x
  3. Step 3: Cross multiply
    359,333,580.57x = 538,946,308.20 × 100,515,252.57
  4. Step 4: Simplify right side
    359,333,580.57x = 54,172,324,290,392,064
  5. Step 5: Solve for x
    x = 54,172,324,290,392,064/359,333,580.57
  6. Step 6: Final answer
    x = 150,757,756.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.